波萨尔德斯（西班牙语：Pozaldez），是西班牙卡斯蒂利亚-莱昂巴利亚多利德省的一个市镇。总面积28平方公里，总人口504人（2001年），人口密度18人/平方公里。

Pozaldez is a municipality located in the province of Valladolid, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 497 inhabitants. The mayor is Eduardo Ibáñez Palacio and has been the mayor since 1991. The town has three significant monuments: two churches and 18th century fountain ("El Caño"). A regionally and nationally known personality from Pozaldez was "Luisito de Pozaldez" known as the last jester. Pozaldez is also known for its wines. It is located on the Rueda region, and has great Verdejo wine.